Method RecreateButtons

Modules/SegmentationUI/src/QmitkToolSelectionBox.cpp:359–568

}

void QmitkToolSelectionBox::RecreateButtons()
{
  if (m_ToolManager.IsNull())
    return;

  QList<QAbstractButton *> l = m_ToolButtonGroup->buttons();
  // remove all buttons that are there
  QList<QAbstractButton *>::iterator it;
  QAbstractButton *btn;

  for (it = l.begin(); it != l.end(); ++it)
  {
    btn = *it;
    m_ToolButtonGroup->removeButton(btn);
    delete btn;
  }

  mitk::ToolManager::ToolVectorTypeConst allPossibleTools = m_ToolManager->GetTools();
  mitk::ToolManager::ToolVectorTypeConst allTools;

  typedef std::pair<std::string::size_type, const mitk::Tool *> SortPairType;
  typedef std::priority_queue<SortPairType> SortedToolQueueType;
  SortedToolQueueType toolPositions;

  // clear and sort all tools
  // step one: find name/group of all tools in m_DisplayedGroups string. remember these positions for all tools.
  for (mitk::ToolManager::ToolVectorTypeConst::const_iterator iter = allPossibleTools.begin();
       iter != allPossibleTools.end();
       ++iter)
  {
    const mitk::Tool *tool = *iter;

    std::string::size_type namePos = m_DisplayedGroups.find(std::string("'") + tool->GetName() + "'");
    std::string::size_type groupPos = m_DisplayedGroups.find(std::string("'") + tool->GetGroup() + "'");

    if (!m_DisplayedGroups.empty() && namePos == std::string::npos && groupPos == std::string::npos)
      continue; // skip

    if (m_DisplayedGroups.empty() && std::string(tool->GetName()).length() > 0)
    {
      namePos = static_cast<std::string::size_type>(tool->GetName()[0]);
    }

    SortPairType thisPair = std::make_pair(namePos < groupPos ? namePos : groupPos, *iter);
    toolPositions.push(thisPair);
  }

  // step two: sort tools according to previously found positions in m_DisplayedGroups
  MITK_DEBUG << "Sorting order of tools (lower number --> earlier in button group)";
  while (!toolPositions.empty())
  {
    SortPairType thisPair = toolPositions.top();
    MITK_DEBUG << "Position " << thisPair.first << " : " << thisPair.second->GetName();

    allTools.push_back(thisPair.second);
    toolPositions.pop();
  }
  std::reverse(allTools.begin(), allTools.end());